<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title123444</title>
    <style>
        .test-div {
            width: 300px;
            height: 300px;
            border: 2px blue solid;
            position: absolute;

        }

        .has-position-absolute {
            width: 200px;
            height: 200px;
            border: 2px red solid;
            /*z-index:30;*/
        }
    </style>
</head>
<body>
<div id="no-style">
    <div id="div1" class="test-div" style="background:#0c8484;">1111133123
        <div id="test-position" class="has-position-absolute">11111的子元素</div>
    </div>
    <div id="div2" class="test-div" style="background:#885429;">2222222
    </div>
</div>
</body>
</html>
